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Genetic algorithm based optimized load frequency control for storageless photo voltaic generation in a two area multi-agent system 基于遗传算法的二区多智能体无存储光伏发电负荷频率优化控制
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107302
Rereloluwa O. Fatunmbi, R. Belkacemi, F. Ariyo, G. Radman
{"title":"Genetic algorithm based optimized load frequency control for storageless photo voltaic generation in a two area multi-agent system","authors":"Rereloluwa O. Fatunmbi, R. Belkacemi, F. Ariyo, G. Radman","doi":"10.1109/NAPS.2017.8107302","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107302","url":null,"abstract":"In this paper, a multi-agent load frequency balancing control algorithm based on Genetic Algorithm for a storage-less Photo Voltaic (PV) generation is proposed. For maximum deployment of available renewable energy, the PV generation is tracked at its maximum power point however through the use of a virtual synchronous generator converter control, the PV generator is able to follow the load demand so far its possible maximum power remains in excess of the load demand. When the maximum power falls below demand, the conventional synchronous generator in the second area covers the power deficit. Through Genetic Algorithm based Optimization, the virtual inertia parameter is determined for optimum performance of the PV load following capability. Through the Universal Multi Agent Platform (UMAP), we are able to communicate the frequencies of the two areas (representing two agents) to a central agent which computes the Area Control Error (ACE) and therefore take frequency bias into account in our system model. By implementing load following without any energy storage, we significantly reduce costs accrued from energy storage installations.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134250660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Operating cost optimization of interconnected nanogrids considering bidirectional effect of V2G and V2H 考虑V2G和V2H双向效应的互联纳米网运行成本优化
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107364
Adetokunbo Ajao, Hajir Pourbabak, Wencong Su
{"title":"Operating cost optimization of interconnected nanogrids considering bidirectional effect of V2G and V2H","authors":"Adetokunbo Ajao, Hajir Pourbabak, Wencong Su","doi":"10.1109/NAPS.2017.8107364","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107364","url":null,"abstract":"This paper presents an optimization of total operating cost of an interconnected nanogrid (ING) considering the effect of vehicle to home (V2H) and vehicle-to-grid (V2G), which helps to minimize the total operating cost. The major objective is to reduce carbon emission, total operating cost and the peak load demand while satisfying the customer preferences of each nanogrid. A mixed integer linear program (MILP) is formulated to solve the economic operation of the ING. Furthermore, case studies are performed to demonstrate the positive impact INGs have on minimizing total operating cost.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133825344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Valuation of microgrid unused capacity in islanded operation 孤岛运行微电网未使用容量的评估
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107325
Abdullah Albaker, A. Khodaei
{"title":"Valuation of microgrid unused capacity in islanded operation","authors":"Abdullah Albaker, A. Khodaei","doi":"10.1109/NAPS.2017.8107325","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107325","url":null,"abstract":"Microgrids, as small-scale power systems, comprise various types of distributed energy resources (DERs) installed next to loads. Islanding, as a salient feature of microgrids, requires adequate installed dispatchable capacity to fully supply local critical loads when disconnected from the utility grid. There is however a great potential that this installed capacity is underutilized, resulting in negative economic impacts. This paper investigates the microgrid unused capacity in the islanded operation, and further determines the value of this unused capacity, thus creating stepwise generation price bids. A microgrid optimal scheduling model is developed for the purpose of assessment in this paper, which is further used to study a test microgrid for a period of one year.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132397515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Managing grid event analysis using automated event analyzer and reports based on PMU data 使用基于PMU数据的自动事件分析器和报告管理网格事件分析
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107345
Iknoor Singh, Heng Chen, Prashant Palayam, Neeraj Nayak, Lin Zhang, P. Gravois, S. Rajagopalan, B. Blevins
{"title":"Managing grid event analysis using automated event analyzer and reports based on PMU data","authors":"Iknoor Singh, Heng Chen, Prashant Palayam, Neeraj Nayak, Lin Zhang, P. Gravois, S. Rajagopalan, B. Blevins","doi":"10.1109/NAPS.2017.8107345","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107345","url":null,"abstract":"Synchrophasor data has been collected for ISOs and utilities since large scale Phasor Measurement Unit (PMU) deployments have been made. A variety of applications based on synchrophasor data have also been deployed. One of the applications is to use synchrophasor data for event detection and analysis. However, given different job functions of grid operators, engineers and IT personnel, their focus for event analysis is different. This paper presents a solution to manage grid events comprehensively, which can be tailored to specific needs and use cases. The proposed approach has been integrated, validated and used at the Electric Reliability Council of Texas (ERCOT) in daily operations practice. The work addresses a variety of grid event management needs and hence benefits operators and engineers for grid reliability.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133759872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of the distribution optimal power flow relaxations for unbalanced loads and generations 不平衡负荷与世代分配最优潮流松弛的比较
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107209
Amin Bunaiyan, F. Mancilla–David
{"title":"Comparison of the distribution optimal power flow relaxations for unbalanced loads and generations","authors":"Amin Bunaiyan, F. Mancilla–David","doi":"10.1109/NAPS.2017.8107209","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107209","url":null,"abstract":"This paper presents a numerical comparison between the second order cone relaxation for single-phase distribution systems and the semidefinite relaxation for the multiphase distribution systems for the optimal power flow problem considering unbalanced load and generation. Towards this end, the IEEE 37-bus test feeder is adapted using four different distribution line models for the various feeder segments and by populating selected nodes with photovoltaic inverters. Results generated by Matlab Software for Disciplined Convex Programming (CVX) suggest that solutions found using the four line models are almost identical for the multiphase algorithm, but losses may be larger using the single-phase algorithm.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130265569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Voltage regulation performance of smart inverters: Power factor versus volt-VAR control 智能逆变器的电压调节性能:功率因数与电压无功控制
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107407
K. Rahimi, A. Tbaileh, R. Broadwater, Jeremy Woyak, M. Dilek
{"title":"Voltage regulation performance of smart inverters: Power factor versus volt-VAR control","authors":"K. Rahimi, A. Tbaileh, R. Broadwater, Jeremy Woyak, M. Dilek","doi":"10.1109/NAPS.2017.8107407","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107407","url":null,"abstract":"Due to the insignificant share of inverter-based Renewable Energy Resources (RER) as well as the uncertainty concerning their integration impacts, the capability of RERs to regulate voltage or frequency has not been widely used. However, inverter-based voltage/frequency regulation is of interest due to the fast growth of distributed RERs, especially solar Photovoltaic (PV) resources. The IEEE 1547a standard relaxed some of the restrictions on utilization of Distributed Energy Resources (DER) in voltage/frequency regulation. Smart inverters may employ different control strategies, such as Fixed Power Factor, Volt-VAR, Volt-Watt, and Frequency-Watt. In this study, a comparison between fixed power factor and Volt-VAR control strategies is performed in terms of voltage regulation capability. One hour of quasi-steady-state simulation with one-second time steps is performed, where fast and frequent irradiance variations are occurring. Parametric studies involving controller settings are used to compare voltage regulation performance. The IEEE 13-bus test feeder, modified by adding two PV generators, is used as the case study. Simulation results show that the Volt-VAR control out performs the fixed power factor control when it comes to voltage regulation.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114663635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Load management system for tactical microgrids using solid state relays 采用固态继电器的战术微电网负载管理系统
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107219
A. S. Leger, Dylan Smith, Jeremy Spruce, P. Curtiss, Greg Gibbons, Mike Miller
{"title":"Load management system for tactical microgrids using solid state relays","authors":"A. S. Leger, Dylan Smith, Jeremy Spruce, P. Curtiss, Greg Gibbons, Mike Miller","doi":"10.1109/NAPS.2017.8107219","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107219","url":null,"abstract":"This paper describes a load management system for tactical microgrids that improves load balancing across three phases and provides load shedding capability. A single hardware design comprised of solid state relays enables switching of loads to specific phases during operation or, alternatively, shedding the loads to reduce demand. Load shedding can help alleviate overloading of generators and load balancing can optimize system operation, improve generator efficiency, and facilitate plug and play construction of tactical microgrids without the need to factor in load balancing during design or construction. Laboratory tests of the 208/120V 14.4 kVA prototype system have shown the ability to switch inductive and capacitive loads between phases, or shed load, within a single electrical cycle. The system is designed to operate autonomously for load balancing and have the capability to interface with a hierarchical microgrid controller for load shedding and to provide alternative settings for load balancing.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132160418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Measurement-based power system dynamic model reductions 基于测量的电力系统动态模型缩减
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107178
Xuemeng Zhang, Yaosuo Xue, Shutang You, Yong Liu, Z. Yuan, Jidong Chai, Yilu Liu
{"title":"Measurement-based power system dynamic model reductions","authors":"Xuemeng Zhang, Yaosuo Xue, Shutang You, Yong Liu, Z. Yuan, Jidong Chai, Yilu Liu","doi":"10.1109/NAPS.2017.8107178","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107178","url":null,"abstract":"Interconnected power systems experienced a significant increase in size and complexity. It is computationally burdensome to represent the entire system in detail to conduct power system analysis. Therefore, the model of the study system must be retained in detail while the external system can be reduced using system reduction techniques. This paper proposes a measurement-based dynamic equivalent in order to increase both model accuracy and simulation speed. The proposed method uses a set of measurements at the boundary nodes between the study area and external area for model parameter identification. Case studies demonstrate that the measurement-based technique can capture the main system behaviors accurately and improve computational efficiency.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128560956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 35
Design robust cascade control structure for voltage source converters 设计电压源变换器的鲁棒级联控制结构
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107230
Yi Zhou, Zhixin Miao, Yin Li, Lingling Fan
{"title":"Design robust cascade control structure for voltage source converters","authors":"Yi Zhou, Zhixin Miao, Yin Li, Lingling Fan","doi":"10.1109/NAPS.2017.8107230","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107230","url":null,"abstract":"This paper proposes a novel robust cascade structure which has better performance when the transmission line undergoes a perturbation. Cascade control structure is normally used when the control procedure can be split into two (or more) cascaded parts. Compared with the conventional cascade control structure which has a limited ability to handle the perturbation in the plant model, the novel structure has better robustness when the transmission line inductance varies. After introducing their structures, the poles and zeros of the closed-loop system related to the conventional and the robust cascade structures will be generated and used to analyze their stability. To verify the theoretical analysis, both cascade structures are applied to a voltage source converter (VSC) and are simulated in MATLAB/Simulink. The different step responses are plotted and analyzed with increasing the transmission line inductance.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129370564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A nodal regulation reserve pricing model for deregulated power systems 解除管制电力系统的节点调节储备定价模型
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107376
Fengyu Wang, Yonghong Chen, K. Hedman, R. Bo, Tao Ding
{"title":"A nodal regulation reserve pricing model for deregulated power systems","authors":"Fengyu Wang, Yonghong Chen, K. Hedman, R. Bo, Tao Ding","doi":"10.1109/NAPS.2017.8107376","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107376","url":null,"abstract":"To improve reserve deliverability, independent system operators (ISOs) acquire reserve on a zonal basis to ensure the reserves are at least zonally distributed. Notwithstanding the ability for zonal approaches to improve the reserve location, such approaches are imprecise and do not guarantee reserve deliverability on a nodal basis. In order to satisfy operational requirements, unreliable market solutions require additional operator manual adjustments; such uneconomic adjustments are typically expensive and they can distort market price signals. This paper proposes an approach to acquire regulation reserve on a nodal basis. Analysis on the RTS-96 shows that modeling post nodal regulation reserve deployment constraints improve reserve deliverability, market efficiency, and price signals.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116171303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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